1 files changed, 0 insertions, 5 deletions
diff --git a/ext/kgio/write.c b/ext/kgio/write.c
index ad34bdd..fa152d8 100644
--- a/ext/kgio/write.c
+++ b/ext/kgio/write.c
@@ -4,11 +4,6 @@
  #include "nonblock.h"
  static VALUE sym_wait_writable;
  
-/* prefer rb_str_subseq because we don't use negative offsets */
-#ifndef HAVE_RB_STR_SUBSEQ
-#define rb_str_subseq rb_str_substr
-#endif
-
  struct wr_args {
          VALUE io;
          VALUE buf;